class Girl {
	name;
	#age;
	#weight;

	constructor(name, age, weight) {
		this.name = name;
		this.#age = age;
		this.#weight = weight;
	}
	intro() {
		return `我是${this.name},我的年龄是${this.#age},我的体重是${this.#weight}`
	}
}

let girl = new Girl("小红", 29, 100)
console.log(girl.intro());
